SGU Episode 799

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SGU Episode 799
October 31st 2020
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SGU 798 SGU 800
Skeptical Rogues
S: Steven Novella
B: Bob Novella
J: Jay Novella
E: Evan Bernstein
C: Cara Santa Maria


Quote of the Week

Science is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths. All assumptions must be critically examined; arguments from authority are worthless. Second: whatever is inconsistent with the facts must be discarded or revised. ... The obvious is sometimes false; the unexpected is sometimes true.

Carl Sagan, American luminary
Links
Download Podcast
Show Notes
Forum Topic


Introduction[edit]

Voiceover: You're listening to the Skeptics' Guide to the Universe, your escape to reality.

COVID-19 Update ()[edit]

News Items[edit]

S:

B:

C:

J:

E:

(laughs) (laughter) (applause) [inaudible]

Holiday Gatherings ()[edit]

Water on the Moon ()[edit]

Murder Hornets Murdered ()[edit]

High Value Plastic ()[edit]

Exoplanet View of Earth ()[edit]

Who's That Noisy? ()[edit]

  • Answer to last week’s Noisy: Preemie

New Noisy ()[edit]

[_short_vague_description_of_Noisy]

Questions/Emails/Corrections/Follow-ups ()[edit]

Question #1: Beef and Climate Change ()[edit]

You have talked about the destruction of habitats and how biodiversity is going down because of this. Isn't one of the biggest contributors the demand for meat, and especially beef, because many acres of rain forest get burned down to plant soy and corn to feed livestock? Wouldn't phasing out meat consumption be the "low-hanging fruit" regarding biodiversity and climate change? I think grass-fed cattle is carbon neutral, but what percentage of all the beef consumed is that? We can talk a lot about the missing political will to change things or about greedy corporations, but in my opinion it has to start with the consumer.

– Andreas Kleim, Germany

Correction #1: Superconductors and Computers ()[edit]

Interview with (and in Memoriam) James Randi ()[edit]

Science or Fiction ()[edit]

Answer Item
Fiction dark matter fields
Science remotely canceling fields
Science magnetic switch 100x faster
Host Result
Steve win
Rogue Guess
Cara dark matter fields
Jay dark matter fields
Evan remotely canceling fields
Bob dark matter fields
'

Voiceover: It's time for Science or Fiction.

Theme: Magnetism
Item #1: Scientists have defied a 178 year old theory by developing a technology for remotely canceling magnetic fields.[6]
Item #2: Astronomers observing distant galaxies have found evidence that the source of mysterious large-scale magnetic fields is likely dark matter.[7]
Item #3: Researchers have demonstrated a magnetic switch that uses 6 picosecond (ps) electric pulses, about 100 times faster than current devices.[8]

Cara's Response[edit]

Jay's Response[edit]

Evan's Response[edit]

Bob's Response[edit]

Steve Explains Item #3[edit]

Steve Explains Item #2[edit]

Steve Explains Item #1[edit]

Skeptical Quote of the Week ()[edit]

Science is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths. All assumptions must be critically examined; arguments from authority are worthless. Second: whatever is inconsistent with the facts must be discarded or revised. ... The obvious is sometimes false; the unexpected is sometimes true.
Carl Sagan (1934-1996), American luminary

Signoff/Announcements ()[edit]

S: —and until next week, this is your Skeptics' Guide to the Universe.

S: Skeptics' Guide to the Universe is produced by SGU Productions, dedicated to promoting science and critical thinking. For more information, visit us at theskepticsguide.org. Send your questions to info@theskepticsguide.org. And, if you would like to support the show and all the work that we do, go to patreon.com/SkepticsGuide and consider becoming a patron and becoming part of the SGU community. Our listeners and supporters are what make SGU possible.

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Today I Learned[edit]

  • Fact/Description, possibly with an article reference[9]
  • Fact/Description
  • Fact/Description


References[edit]

Vocabulary[edit]


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